<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title></title>
</head>
<body>
  <script src="index.js" async></script>
  <script>
    console.log('Start')
    document.addEventListener('DOMContentLoaded', () => {
      console.log('DCL')
    })
  </script>
</body>
</html>